<template>
  <div class="account-box">
    <div class="toggle">
      <a href="javascript:;" @click="isMsgLogin = false" v-if="isMsgLogin">
        <i class="iconfont icon-user"></i> 使用账号登录
      </a>
      <a href="javascript:;" @click="isMsgLogin = true" v-else>
        <i class="iconfont icon-msg"></i> 使用短信登录
      </a>
    </div>
    <Form
      ref="formRef"
      class="form"
      :validation-schema="FormSchema"
      v-slot="{ errors }"
      autocomplete="off"
    >
      <template v-if="!isMsgLogin">
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field
              :class="{ error: errors.account }"
              v-model="form.account"
              name="account"
              type="text"
              placeholder="请输入用户名"
            />
          </div>
          <div class="error" v-if="errors.account">
            <i class="iconfont icon-warning" />
            {{ errors.account }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <Field
              :class="{ error: errors.password }"
              v-model="form.password"
              name="password"
              type="password"
              placeholder="请输入密码"
            />
          </div>
          <div class="error" v-if="errors.password">
            <i class="iconfont icon-warning" />
            {{ errors.password }}
          </div>
        </div>
      </template>
      <template v-else>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field
              :class="{ error: errors.mobile }"
              v-model="form.mobile"
              name="mobile"
              type="text"
              placeholder="请输入手机号"
            />
          </div>
          <div class="error" v-if="errors.mobile">
            <i class="iconfont icon-warning" />
            {{ errors.mobile }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-code"></i>
            <Field
              :class="{ error: errors.code }"
              v-model="form.code"
              name="code"
              type="text"
              placeholder="请输入验证码"
            />
            <span @click="send()" class="code">
              {{ time === 0 ? "发送验证码" : `${time}秒后发送` }}
            </span>
          </div>
          <div class="error" v-if="errors.code">
            <i class="iconfont icon-warning" />
            {{ errors.code }}
          </div>
        </div>
      </template>
      <div class="form-item">
        <div class="agree">
          <Field as="XtxCheckbox" name="isAgree" v-model="form.isAgree" />
          <span>我已同意</span>
          <a href="javascript:;">《隐私条款》</a>
          <span>和</span>
          <a href="javascript:;">《服务条款》</a>
        </div>
        <div class="error" v-if="errors.isAgree">
          <i class="iconfont icon-warning" />
          {{ errors.isAgree }}
        </div>
      </div>
      <a @click="login()" href="javascript:;" class="btn">登录</a>
    </Form>
    <div class="action">
      <a
        href="https://graph.qq.com/oauth2.0/authorize?client_id=100556005&response_type=token&scope=all&redirect_uri=http%3A%2F%2Fwww.corho.com%3A8080%2F%23%2Flogin%2Fcallback"
      >
        <!-- <RouterLink to="/login/callback"> -->
        <img
          src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png"
          alt=""
        />
        <!-- </RouterLink> -->
      </a>
      <div class="url">
        <a href="javascript:;">忘记密码</a>
        <a href="javascript:;">免费注册</a>
      </div>
    </div>
  </div>
</template>
<script>
import { reactive, ref, watch, onUnmounted } from "vue";
// 导入vee-validate
import { Field, Form } from "vee-validate";
import schema from "@/utils/vee-validate-schema";
import Message from "@/components/library/Message";
import { userAccountLogin, userMobileLoginMsg } from "@/api/user";
import { useStore } from "vuex";
import { useRoute, useRouter } from "vue-router";
import { useIntervalFn } from "@vueuse/core";

export default {
  name: "LoginForm",
  components: { Field, Form },
  setup() {
    // 切换短信登录
    const isMsgLogin = ref(false);
    //表单数据对象
    const form = reactive({
      isAgree: true,
      account: null,
      password: null,
      mobile: null,
      code: null,
    });
    /*
     * vee-validate校验步骤:
      1.导入Form、Field组件,特换form跟input,需要加上name用来指定将来的校验函数
      2.field需要进行数据双向绑定,字段名称最好跟后台保持一致
      3.定义Field的name属性指定的校验规则函数,Form上的validation-schema来接受指定好的校验规则,是个对象
      4.自定义组件需要校验必须支持v-model,然后使用as指定为组件名称
     */
    //校验函数规则
    const FormSchema = {
      account: schema.account,
      password: schema.password,
      mobile: schema.mobile,
      code: schema.code,
      isAgree: schema.isAgree,
    };
    const formRef = ref(null);
    // 监听isMsgLogin,切换账号和短信登录时清空表单登录信息
    watch(isMsgLogin, () => {
      // 重置数据
      form.isAgree = true;
      form.account = null;
      form.password = null;
      form.mobile = null;
      form.code = null;
      // 如果是没有销毁Field组件,则之前的检验结果是不会清除的,比如v-show切换元素
      // Form提供了一个重置表单的函数,清除校验规则
      formRef.value?.resetForm();
    });
    // setup中获取应用实例-->当前组件实例proxy在里面,但是不建议这样使用,直接导入Message比较好
    //const { proxy } = getCurrentInstance();
    // proxy.$message({ text: "测试" });

    // 登录时终极表单校验
    const store = useStore();
    const router = useRouter();
    const route = useRoute();
    const login = async () => {
      // Form提供了一个validate的函数,做整体表单校验,返回的是promise
      const valid = await formRef.value.validate();
      // this.$message({ type: "error", text: "用户名或者密码错误" });
      // Message({ type: "error", text: "用户名或者密码错误" });
      // 存储用户信息登录成功跳转到来源页或者首页,失败提示错误信息
      if (valid) {
        if (isMsgLogin.value) {
          // 手机号登录
          // 1.发送验证码
          // 1.1 绑定发送验证码点击事件
          // 1.2 校验手机号.成功发送短信,并且开启60秒倒计时,不能再次点击按钮,倒计时结束恢复,失败则返回校验
          // 2.进行手机登录
          // 2.1 登录成功存储用户信息,跳转来源页或者首页并且提示
        } else {
          // 账号密码登录
          const { account, password } = form;
          userAccountLogin({ account, password })
            .then((data) => {
              console.log(data);
              // 储存登录信息
              const { id, account, avatar, mobile, nickname, token } =
                data.result;
              store.commit("user/setUser", {
                id,
                account,
                avatar,
                mobile,
                nickname,
                token,
              });
              store.dispatch("cart/mergeCart").then(() => {
                // 跳转
                router.push(route.query.redirectUrl || "/");
                // 登录成功消息提示
                Message({ type: "success", text: "登录成功" });
              });
            })
            .catch((err) => {
              console.log(err);
              if (err.response.data) {
                Message({
                  type: "error",
                  text: err.response.data.message || "登录失败",
                });
              }
            });
        }
      }
    };
    // 定时器(使用usehook-->useIntervalFn(回调函数,执行间隔,是否立即开启))
    const time = ref(0);
    const { pause, resume } = useIntervalFn(
      () => {
        time.value--;
        if (time.value <= 0) {
          pause();
        }
      },
      1000,
      { immediate: false }
    );
    onUnmounted(() => {
      pause();
    });
    // 发送短信获取验证码
    const send = async () => {
      const sendCode = FormSchema.mobile(form.mobile);
      if (sendCode === true) {
        // 校验通过
        // 判断是否在倒计时,没有倒计时才可以发送请求
        if (time.value === 0) {
          await userMobileLoginMsg(form.mobile);
          // 验证码发送成功消息提示
          Message({ type: "success", text: "发送成功" });
          // 开启倒计时
          time.value = 60;
          resume();
        }
      } else {
        // 触发vee错误函数,显示错误信息,form组件提供一个setFieldError(字段,错误信息)
        formRef.value.setFieldError("mobile", sendCode);
      }
    };
    return {
      isMsgLogin,
      form,
      FormSchema,
      formRef,
      login,
      send,
      time,
    };
  },
};
</script>
<style scoped lang="less">
// 账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;
    a {
      color: @xtxColor;
      i {
        font-size: 14px;
      }
    }
  }
  .form {
    padding: 0 40px;
    &-item {
      margin-bottom: 28px;
      .input {
        position: relative;
        height: 36px;
        > i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }
        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;
          &.error {
            border-color: @priceColor;
          }
          &.active,
          &:focus {
            border-color: @xtxColor;
          }
        }
        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }
      > .error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;
        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }
    .agree {
      a {
        color: #069;
      }
      .agree-box {
        width: 20px;
        height: 20px;
      }
    }
    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @xtxColor;
      &.disabled {
        background: #cfcdcd;
      }
    }
  }
  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>
